A deadly Allosaurus ambushes its prey, Planet Dinosaur BBC

At 9 metres and 1. 5 tonnes, Allosaurus was a formidable Jurassic hunter. But its bite was surprisingly weak so how did it make a kill This episode focuses on the Jurassic period, a time when the first giant killers stalked the Earth and lurked in the seas and the slightest advantage meant the difference between life and death. In North America, the iconic allosaurus, an ambush hunter with a lethal bite, dominated. Not even the heavily armoured stegosaurus was safe from this killer, and incredible evidence reveals a glimpse of a vicious battle between these two giants.